To snip them in the bud, you can try countering the spells and abilities that would create Clues
The only downside here is that shes uninkable, and that three-cost uninkable slot is gonna be pretty competitive for Amethsyt
Raven Eagle It's not the most inspired design, but Raven Eagle pushes enough tiny buttons to add up to something desireable
Wizards might decide that this is too incremental, and juice the drop rates, or decrease the number of cards on The List, or add foils to the mix
Unfortunately, Infect has fallen somewhat to the wayside in Modern lately, but it remains a competitive strategy for players who aren't concerned with running the best deck out there
As much as possible, you want to get newer cards by opening them from the latest booster set